Home / 1,012,893.80-1,519,340.70-413,461.40

Finding the Fourth Proportional to 1,012,893.80, 1,519,340.70 and 413,461.40

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Solution

The fourth proportional to 1,012,893.80, 1,519,340.70 and 413,461.40 is: 620,192.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,893.80 : 1,519,340.70 = 413,461.40 : x
  2. Step 2: Convert to fraction form
    1,012,893.80/1,519,340.70 = 413,461.40/x
  3. Step 3: Cross multiply
    1,012,893.80x = 1,519,340.70 × 413,461.40
  4. Step 4: Simplify right side
    1,012,893.80x = 628,188,732,898.98
  5. Step 5: Solve for x
    x = 628,188,732,898.98/1,012,893.80
  6. Step 6: Final answer
    x = 620,192.10

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.